package emails;

import java.io.UnsupportedEncodingException;


public class CharactorEncoding {
    public CharactorEncoding(){
        // 无参方法
    }

    public String toString(String str){
        String text="";
        if(str!=null&&!"".equals(str)){
            try{
                text = new String(str.getBytes("ISO-8859-1"),"UTF-8");
            } catch (UnsupportedEncodingException e) {
                e.printStackTrace();
            }
        }
        return text;
    }
}
